US Bridges

I-83 NB Off-Ramp over 28th ST and NS Railroad

Fair

Baltimore city, Maryland · 0.4 MI N of North Ave · Structure no. 200000BC3102010

Built
1959
66 years old, rebuilt 1988
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
433 ft
7 main spans
Daily traffic
31,200
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

I-83 NB Off-Ramp over 28th ST and NS Railroad is a steel stringer/multi-beam or girder carrying I-83 NB Off-Ramp over 28th ST and NS Railroad in Baltimore city, Maryland. It was built in 1959 and reconstructed in 1988, so it is 66 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 31,200 vehicles a day, roughly 10% of them trucks, projected to reach 38,800 by 2036. The structure is 433 ft (132 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-83 NB Off-Ramp
Crosses28th ST and NS Railroad
Location0.4 MI N of North Ave
RouteInterstate 83
CountyBaltimore city
StateMaryland
Coordinates39.31694, -76.62895
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating70.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length433 ft (132 m)
Longest span73 ft (22.3 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,200 (2016)
Projected traffic38,800 by 2036
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-83 NB Off-Ramp over 28th ST and NS Railroad built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1988.

What condition is I-83 NB Off-Ramp over 28th ST and NS Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does I-83 NB Off-Ramp over 28th ST and NS Railroad carry?

About 31,200 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is I-83 NB Off-Ramp over 28th ST and NS Railroad?

The structure is 433 ft (132 m) long with a longest span of 73 ft (22.3 m) and a deck 23 ft wide.

Who owns I-83 NB Off-Ramp over 28th ST and NS Railroad?

It is owned by the City or Municipal Highway Agency.